You always need them when you don’t have them — so grab your batteries, power banks and car jump starters now.

QUESTION: I just read your article on reusable alkaline batteries and was wondering if you had tested the alkaline battery charger that is being hawked by Dick Clark on an infomercial. I think it i… ...

The Recyko Charge 10 charger from GP Batteries claims to be the world's fastest charger because it can simultaneously recharge up to four Charge 10 AA nickel-metal hydride batteries in an ...

We tested 13 popular rechargeable batteries to compare their affordability, performance and reliability. Three emerged as the absolute best for most users.

Panasonic’s Eneloop BQ-CC55, our favorite charger for AA and AAA rechargeable batteries, is sleek, compact, easy to use, and plugs directly into a wall outlet.

Like any device you use regularly, you may be tempted to leave your Chromebook plugged in for extended periods. There are ...

When we saw [Max.K]’s automatic NiMh battery charger float past in the Hackaday tips line, it brought to mind a charger that might be automatic in the sense that any modern microcontroller ba… ...

He added,“The materials and chemistry of alkaline batteries are more rugged than rechargeables, so they can take more abuse.” Regardless of which type you’re using, no battery lasts forever.

The Magic Charger’s battery pack installed in a Magic Mouse Apple includes a pair of alkaline AA batteries with its Magic Mouse, but I recommend eventually replacing them with rechargeable ...

Thanks to the open-source community and the Raspberry Pi Pico, you can easily build this retro clock that also charges your NiMH batteries.

While we're mostly talking about lithium-ion batteries, an overheated or damaged battery of any kind can short out, heat up, and catch fire - even if it's an alkaline battery.

We tested 13 popular rechargeable batteries to compare their affordability, performance and reliability. Three emerged as the absolute best for most users.